1406526 has 32 divisors (see below), whose sum is σ = 3113856. Its totient is φ = 420000.

The previous prime is 1406521. The next prime is 1406533. The reversal of 1406526 is 6256041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1406496 and 1406505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6561 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (97308).

2^1406526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556928).

1406526 is an abundant number, since it is smaller than the sum of its proper divisors (1707330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1406526 is a wasteful number, since it uses less digits than its factorization.

1406526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1406526 is about 1185.9704886716. The cubic root of 1406526 is about 112.0424477709.

It can be divided in two parts, 140 and 6526, that added together give a palindrome (6666).

The spelling of 1406526 in words is "one million, four hundred six thousand, five hundred twenty-six".